Job description for Hardware Product Designer at Công ty Cổ Phần SotaTek

• sketching, concept rendering, and presentation Nice to Have Experience designing products for children or teens - understanding of child safety standards (EN 71, ASTM F963, or equivalent) Background in character design, toy design, or products with emotional/expressive design elements Familiarity with Vietnamese market aesthetics and consumer preferences Experience with acoustic design (speaker chamber tuning, microphone placement) Knowledge of antenna design considerations for WiFi/Bluetooth in compact enclosures Passion for robotics, AI, or companion technology Vietnamese language skills (preferred but not required)

• Industrial & Product Design Own the end-to-end physical design of Vivi: form factor, proportions, surface treatment, color palette, and material selection for the baby three character Design the expressive face/eye area around the dual LED displays to maximize emotional connection Create detailed 3D CAD models (SolidWorks, Fusion 360, or equivalent) suitable for tooling and manufacturing Design the modular accessory system: magnetic snap-on outfits, hats, charms, and seasonal collections Develop and maintain a design language system that extends to packaging, charging dock, and accessories Mechanical & Sensor Integration Collaborate with electrical engineers to integrate components: LED displays, capacitive touch sensors, thermometer, vibration motor, speaker, microphones, WiFi/Bluetooth antenna, and battery Design internal structural layout for optimal thermal management, acoustic performance, and antenna placement Engineer the silicone soft-touch shell with appropriate durometer for pleasant tactile feedback Ensure the product meets drop-test, safety, and durability requirements for teen users Prototyping & User Testing Build rapid prototypes using 3D printing, silicone casting, and soft model techniques for concept validation Conduct user testing sessions with Vietnamese teen girls to validate form factor, tactile experience, and emotional response Iterate based on feedback, we expect multiple design cycles before production commitment Manufacturing & Production Prepare production-ready design files: detailed drawings, tolerance specifications, surface finish callouts, and assembly instructions Work directly with manufacturing partners (Shenzhen and/or domestic Vietnamese factories) on tooling, DFM reviews, and pilot production runs Manage BOM cost targets while maintaining premium look and feel Oversee quality standards across initial production batches and establish QC criteria JOB REQUIREMENTS Must Have 2+ years of experience in hardware/industrial product design, with at least 2 products shipped to mass production Strong portfolio demonstrating consumer electronics or smart device design (robots, IoT, wearables, toys, or similar) Proficiency in 3D CAD software (SolidWorks, Fusion 360, Rhino, or equivalent) and rendering tools (KeyShot, Blender, or similar) Hands-on prototyping experience: 3D printing (FDM/SLA), silicone molding, soft-touch material work Working knowledge of manufacturing processes: injection molding, overmolding, silicone casting, surface finishing, and painting Experience collaborating with electronics/firmware engineers on sensor and component integration Understanding of DFM (Design for Manufacturing) and DFA (Design for Assembly) principles Ability to manage relationships with contract manufacturers, ideally with Shenzhen factory experience Strong visual communication